R-7A Semyorka

The R-7A Semyorka, GRAU index 8K74, was an early Soviet intercontinental ballistic missile derived from the earlier R-7 Semyorka. It was the only member of the R-7 family of rockets to be deployed as an operational missile. The R-7A first flew on 23 December 1959, entered service on 31 December of the same year, and was formally accepted on 20 January 1960. It was declared fully operational on 12 September 1960 and was retired from service in 1968.